package com.gulimall.product.service.impl;

import com.alibaba.fastjson.TypeReference;
import com.common.to.es.SkuEsModel;
import com.common.utils.R;
import com.gulimall.product.entity.SkuImagesEntity;
import com.gulimall.product.entity.SpuInfoDescEntity;
import com.gulimall.product.entity.SpuInfoEntity;
import com.gulimall.product.feign.SeckillFeignService;
import com.gulimall.product.service.*;
import com.gulimall.product.vo.SPU.SpuSaveVo;
import com.gulimall.product.vo.SerkillInfoVo;
import com.gulimall.product.vo.SkuItemSaleAttrVo;
import com.gulimall.product.vo.SkuItemVo;
import com.gulimall.product.vo.SpuItemAttrGroupVo;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.math.BigDecimal;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import java.util.concurrent.CompletableFuture;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.ThreadPoolExecutor;

import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.core.metadata.IPage;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.common.utils.PageUtils;
import com.common.utils.Query;

import com.gulimall.product.dao.SkuInfoDao;
import com.gulimall.product.entity.SkuInfoEntity;
import org.springframework.transaction.annotation.Transactional;
import org.springframework.util.StringUtils;


@Service("skuInfoService")
public class SkuInfoServiceImpl extends ServiceImpl<SkuInfoDao, SkuInfoEntity> implements SkuInfoService {

    @Autowired
    SkuImagesService skuImagesService;

    @Autowired
    SpuInfoDescService spuInfoDescService;

    @Autowired
    AttrGroupService attrGroupService;

    @Autowired
    SkuSaleAttrValueService skuSaleAttrValueService;

    @Autowired
    ThreadPoolExecutor executor;

    @Autowired
    SeckillFeignService seckillFeignService;

    @Override
    public SkuItemVo item(Long skuId) throws ExecutionException, InterruptedException {
        SkuItemVo skuItemVo = new SkuItemVo();
        //异步编排
        CompletableFuture<SkuInfoEntity> infoFutuer = CompletableFuture.supplyAsync(() -> {
            //1、sku基本信息的获取  pms_sku_info
            SkuInfoEntity info = getById(skuId);
            skuItemVo.setInfo(info);
            return info;
        }, executor);

        CompletableFuture<Void> saleAttrFuture = infoFutuer.thenAcceptAsync((res) -> {
            //3、获取spu的销售属性组合
            List<SkuItemSaleAttrVo> saleAttrVos = skuSaleAttrValueService.getSaleAttrsBySpuId(res.getSpuId());
            skuItemVo.setSaleAttr(saleAttrVos);
        }, executor);
        CompletableFuture<Void> InfoDescFuture = infoFutuer.thenAcceptAsync((res) -> {
            //4、获取spu的介绍
            SpuInfoDescEntity spuInfoDescEntity = spuInfoDescService.getById(res.getSpuId());
            skuItemVo.setDesc(spuInfoDescEntity);
        }, executor);

        CompletableFuture<Void> GroupAttrsFuture = infoFutuer.thenAcceptAsync((res) -> {
            //5、获取spu的规格参数信息
            List<SpuItemAttrGroupVo> spuItemAttrGroupVos = attrGroupService
                    .getAttrGroupWithAttrsBySopId(res.getSpuId(), res.getCatalogId());
            skuItemVo.setGroupAttrs(spuItemAttrGroupVos);
        }, executor);

        //2、sku的图片信息    pms_sku_images
        CompletableFuture<Void> imageFuture = CompletableFuture.runAsync(() -> {
            List<SkuImagesEntity> skuImagesEntities = skuImagesService.getImagesBySkuId(skuId);
            skuItemVo.setImages(skuImagesEntities);
        }, executor);

        //查询当前sku是否参与秒杀优惠
        CompletableFuture<Void> seckillFuture = CompletableFuture.runAsync(() -> {
            R r = seckillFeignService.getSkuSerkillInfo(skuId);
            if (r.getCode() == 0){
                SerkillInfoVo serkillInfoVo = r.getData(new TypeReference<SerkillInfoVo>() {
                });
                skuItemVo.setSerkillInfoVo(serkillInfoVo);
            }

        },executor);

        CompletableFuture.allOf(GroupAttrsFuture,InfoDescFuture,saleAttrFuture,imageFuture,seckillFuture).get();

        return skuItemVo;
    }

    @Override
    public List<SkuInfoEntity> getSkusBySpuId(Long spuId) {
        List<SkuInfoEntity> infoEntities = this.list(new QueryWrapper<SkuInfoEntity>().eq("spu_id", spuId));

        return infoEntities;
    }

    @Override
    public void saveSkuInfo(SkuInfoEntity skuInfoEntity) {
        this.baseMapper.insert(skuInfoEntity);
    }

    @Override
    public PageUtils queryPageByCondition(Map<String, Object> params) {
        QueryWrapper<SkuInfoEntity> wrapper = new QueryWrapper<>();
        /**
         * key:
         * catelogId: 0
         * brandId: 0
         * min: 0
         * max: 0
         */
        String key = (String) params.get("key");
        if (!StringUtils.isEmpty(key)){
            wrapper.and(w->{
                w.eq("sku_id",key).or().like("sku_name",key);
            });
        }
        String brandId = (String) params.get("brandId");
        if (!StringUtils.isEmpty(brandId) && !"0".equalsIgnoreCase(brandId)){
            wrapper.eq("brand_id",brandId);
        }
        String catelogId = (String) params.get("catelogId");
        if (!StringUtils.isEmpty(catelogId) && !"0".equalsIgnoreCase(catelogId)){
            wrapper.eq("catalog_id",catelogId);
        }
        String min = (String) params.get("min");

        if (!StringUtils.isEmpty(min)){
            wrapper.ge("price",min);
        }
        String max = (String) params.get("max");

        if(!StringUtils.isEmpty(max) ){
            try {
                BigDecimal bigDecimal = new BigDecimal(max);
                if (bigDecimal.compareTo(new BigDecimal("0")) == 1){
                    wrapper.le("price",max);
                }

            }catch (Exception e){

            }

        }

        IPage<SkuInfoEntity> page = this.page(
                new Query<SkuInfoEntity>().getPage(params),
                wrapper
        );

        return new PageUtils(page);
    }

    @Override
    public PageUtils queryPage(Map<String, Object> params) {
        IPage<SkuInfoEntity> page = this.page(
                new Query<SkuInfoEntity>().getPage(params),
                new QueryWrapper<SkuInfoEntity>()
        );

        return new PageUtils(page);
    }

}